Siemens RVL481 Installationsanleitung Seite 50

Block "Setpoint of return temperature limitation"
101 Limitation of return
temperature, con-
stant value
en
Block "District heat"
112 Maximum limitation
of return tempera-
ture, slope
113 Maximum limitation
of return tempera-
ture, start of shifting
limitation
114 Maximum limitation
of return tempera-
ture, integral action
time
115 Maximum limitation
of return tempera-
ture differential
116 Minimum stroke
limitation (Y
min
tion)
Block "Maximum limitation of return temperature, d.h.w."
117 Maximum limitation
of return tempera-
ture d.h.w.
Building Technologies
--- °C
(--- / 0...140)
0.7
(0.0...4.0)
10 °C
(−50...+50)
30 °C
(0...60)
--.- °C
(--.- / 0.5...50)
6 min
func- (-- / 1...20)
--- °C
(--- / 0...140)
74 319 0618 0 a
Setting --- = function deacti-
°C vated
...................
Plant types 1–x, 4–x, 5–x:
Minimum limitation
Plant types 3–x, 6–x:
Maximum limitation
TRt
OpL 101
.........................
OpL 112
OpL 113
°C
...................
-TO
OpL = Operating line
TO = Outside temperature
TRt = Returntemperature
For maximum limitation of return
min temperature and for DRT limita-
................
tion
Differential between primary and
°C secondary return temperature
...................
(DRT)
Setting --.- = function deacti-
vated
Stroke limitation in the actuator
min Setting -- = function deactivated
................
Maximum limitation with d.h.w.
°C heating
...................
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